|kanji de_name = 龍骨鬼Ryu Kokki|trans fr_name = Ryu Kokki| it_name = Ryu Kokki| ko_name = 용골귀| pt_name = Ryu Kokki| es_name = Ryu Kokki| ja_name = {{Ruby|龍|りゅう}}{{Ruby|骨|こつ}}{{Ruby|鬼|き}}| romaji_name = Ryūkotsuki| trans_name = Dragon Bone Demon-Bone Dragon|image = RyuKokkiIOCRyuKokki-IOC-EN-C-UE-25thAnniversaryEdition.jpgpng|attribute = DarkDARK|type types = Zombie/ Effect|type2 level = Effect6|atk = 2400|def = 2000|level password = 57281778| effect_types = 6Trigger|lore = If a monster that battles with At the end of the [[Damage Step]], if this monster is card battled a [[Warrior]] or [[Spellcaster]]-[[Typemonster]] monster, : [[destroyDestroy]] that monster at the end of the [[.| fr_lore = À la fin de la Damage Step, si cette carte a combattu un monstre Guerrier ou Magicien : détruisez le monstre.| de_lore = Am Ende des Damage Steps, falls diese Karte gegen ein Krieger- oder Hexer-Monster gekämpft hat: Zerstöre jenes Monster.| it_lore = Alla fine del Damage Step, se questa carta ha combattuto con un mostro Guerriero o Incantatore: distruggi quel mostro.| pt_lore = No final da Etapa de Dano, se este card batalhou um monstro Guerreiro ou Mago: destrua esse monstro.| es_lore = Al final del Damage Step]], si esta carta batalló con un monstruo Guerrero o Lanzador de Conjuros: destruye ese monstruo.|number ja_lore = 57281778このカードと戦闘を行ったモンスターが戦士族・魔法使い族の場合、ダメージステップ終了時にそのモンスターを破壊する。|effect ko_lore = Trigger이 카드와 전투를 실시한 몬스터가 전사족·마법사족의 경우,데미지 스텝 종료시에 그 몬스터를 파괴한다.|en_sets ='''[[SD2-EN008; Structure Deck: Zombie Madness; CommonIOC-EN090; Invasion of Chaos; CommonDR2-EN091; Dark Revelation Volume 2]]; Super RareSDZW-EN011; Zombie World Structure Deck; CommonGLD5-EN013; Gold Series: Haunted Mine; CommonLCJW-EN194; Legendary Collection 4: Joey''' (Card Numbers World Mega Pack; CommonSGX3-ENC13; Speed Duel GX: [[DR2Duelists of Shadows; CommonIOC-EN091]]EN090; Invasion of Chaos (25th Anniversary Edition); Common| na_sets = '''[[IOC-090; Invasion of Chaos]]''' (Card Number; Common| fr_sets = SD2-FR008; Structure Deck: [[Zombie Madness; CommonDR2-FR091; Dark Revelation Volume 2; Super RareIOC-090]]/[[FR090; Invasion of Chaos; CommonSDZW-FR011; Zombie World Structure Deck; CommonGLD5-FR013; Gold Series: Haunted Mine; CommonLCJW-FR194; Legendary Collection 4: Joey's World Mega Pack; CommonSGX3-FRC13; Speed Duel GX: Duelists of Shadows; CommonIOC-EN090]]FR090; Invasion of Chaos (25th Anniversary Edition); Common| de_sets = '''[[SD2-DE008; Structure Deck 2: Zombie Madness]]; CommonDR2-DE091; Dark Revelation Volume 2; Super RareIOC-DE090; Invasion of Chaos; CommonSDZW-DE011; Zombie World Structure Deck; CommonGLD5-DE013; Gold Series: Haunted Mine; CommonLCJW-DE194; Legendary Collection 4: Joey''' (Card Numbers World Mega Pack; CommonSGX3-DEC13; Speed Duel GX: [[SD2Duelists of Shadows; CommonIOC-EN008]]DE090; Invasion of Chaos (25th Anniversary Edition); Common|jp_sets it_sets ='''[[Expert Edition SD2-IT008; Structure Deck: Zombie Madness; CommonDR2-IT091; Dark Revelation Volume.2]]; Super RareIOC-IT090; Invasion of Chaos; CommonSDZW-IT011; Zombie World Structure Deck; CommonGLD5-IT013; Gold Series: Haunted Mine; CommonLCJW-IT194; Legendary Collection 4: Joey''' (Card Numbers World Mega Pack; CommonSGX3-ITC13; Speed Duel GX: [[EE2Duelists of Shadows; CommonIOC-JP091]]IT090; Invasion of Chaos (25th Anniversary Edition); Common| pt_sets = SD2-PT008; Structure Deck: Zombie Madness; CommonLCJW-PT194; Legendary Collection 4: Joey'''[[Invader s World Mega Pack; CommonSGX3-PTC13; Speed Duel GX: Duelists of Shadows; CommonIOC-PT090; Invasion of Darkness]]''' Chaos (Card Number: [[307-035]]25th Anniversary Edition); Common| sp_sets = '''[[SD2-SP008; Structure Deck 2: Zombie Madness]]; CommonDR2-SP091; Dark Revelation Volume 2; Super RareIOC-SP090; Invasion of Chaos; CommonSDZW-SP011; Zombie World Structure Deck; CommonGLD5-SP013; Gold Series: Haunted Mine; CommonLCJW-SP194; Legendary Collection 4: Joey''' (Card Numbers World Mega Pack; CommonSGX3-SPC13; Speed Duel GX: [[SD2Duelists of Shadows; CommonIOC-JP008]]SP090; Invasion of Chaos (25th Anniversary Edition); Common|vg_setsjp_sets ='''[[Yu307-035; Invader of Darkness (set); CommonSD2-GiJP008; Structure Deck: Zombie Madness; CommonEE2-Oh! Ultimate MastersJP091; Expert Edition Volume.2; Super RareSD15-JP011; Structure Deck: Undead World Championship Tournament 2006; Common|World Championship 2006]]''' (''[[Ultimate Masters 2006: ae_sets = IOC-AE090; Invasion of Chaos; Common|kr_sets = IOC-KR090; Invasion of Chaos]]''/''[[Ultimate Masters 2006; CommonSD2-KR008; Structure Deck: Zombie CollectionMadness; CommonHGP2-KR091; Expert Edition Volume.2; Super RareESP3-KR014; Expansion Pack Vol.3; CommonSD15-KR011; Structure Deck: Undead World; Common| anti-supports = * Spellcaster* Warrior|Zombie Collection]]''m/s/t = Destroys your opponent''[[Ultimate Masters 2006: s Monster Destroy CollectionCards|Monster Destroy Collection]]'')misc = From Konami Video Games|adv tcg_speed_duel_status = Unlimited|trad database_id = Unlimited5902